Published in Entomological News Lancaster, in 1950, in volume 60, pages 225-234

Published in Entomological News, in 1950, in volume 60, pages 261-262

Published in Entomological News, in 1950, in volume 61, pages 5-8

Published in Entomological News, in 1950, in volume 61, pages 8-12

Published in Entomological News, in 1950, in volume 61, pages 29-35

Published in Entomological News, in 1950, in volume 61, pages 41-42

Published in Entomological News Lancaster, in 1950, in volume 61, pages 68-71

Published in Entomological News, Philadelphia, in 1950, in volume 61, pages 89-92

Published in Entomological News Lancaster, in 1950, in volume 61, pages 93-96

Published in Entomological News, in 1950, in volume 61, pages 96-99

Published in Entomological News Lancaster, in 1950, in volume 61, pages 103-104

Published in Entomological News, in 1950, in volume 61, pages 106-108

Published in Entomological News, in 1950, in volume 61, pages 125-129

Published in Entomological News Lancaster, in 1950, in volume 61, pages 131-134

Published in Ent. News, in 1950, in volume 61, pages 137-139

Published in Entomological News, in 1950, in volume 61, pages 163-171

Published in Entomological News, in 1950, in volume 61, pages 178-179